TDA8581 datasheet(8/20 Pages) PHILIPS

8 / 20 page

1998 May 27

Philips Semiconductors

Preliminary speciﬁcation

Multi-purpose high-gain power ampliﬁer

TDA8581

Stereo BTL application (see Fig.8)

THD

total harmonic distortion

fi = 1 kHz; Po =1W; RL =4 Ω−

0.05

0.1

fi = 10 kHz; Po =1W;

RL =4 Ω; ﬁlter: f < 30 kHz

−

0.2

−

fi = 1 kHz; Po =1W;

VP = 14.4 V; RL =4 Ω

−

0.05

−

fi = 1 kHz; Po =10W;

VP = 24 V; RL =8 Ω

−

0.05

−

output power

THD = 0.5%; VP = 14.4 V;

RL =4 Ω

−

THD = 0.5%; VP =24V;

RL =8 Ω

−

THD = 10%; VP = 14.4 V;

RL =4 Ω

−

THD = 10%; VP =24V;

RL =8 Ω

−

voltage gain

Vo(rms) = 3 V

channel separation

Po =2W; fi = 1 kHz; RL =4 Ω

−

∆G

v

channel unbalance

−−

1dB

Voffset(DC)

DC output offset voltage

VP = 14.4 V; ‘on’ condition

−

120

VP = 14.4 V; ‘mute’ condition;

RL =4 Ω

−

Vno

noise output voltage

Rs =1kΩ; VP = 14.4 V; note 3

−

200

320

µV

Vno(mute)

noise output voltage mute

note 3

−

020

µV

Vo(mute)

output voltage mute

Vi(rms) =1V

−

1500

µV

SVRR

supply voltage ripple rejection

Rs =0 Ω; fi = 1 kHz;

Vripple(p-p) = 2 V; ‘on’ or ‘mute’

condition

−−

input impedance

Ω

CMRR

common mode rejection ratio

Rs =0 Ω; Vi(rms) = 0.5 V;

fi = 1 kHz

−

Quad SE application (see Fig.9)

THD

total harmonic distortion

fi = 1 kHz; Po =1W; RL =4 Ω−

0.05

0.1

fi = 10 kHz; Po =1W;

RL =4 Ω; ﬁlter: f < 30 kHz

−

0.2

−

output power

THD = 0.5%; VP = 14.4 V;

RL =4 Ω

4.2

−

THD = 0.5%; VP =24V;

RL =4 Ω

11.5

−

THD = 10%; VP = 14.4 V;

RL =4 Ω

−

5.5

−

THD = 10%; VP =24V;

RL =4 Ω

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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